means A prune is a dried plum, eaten as fruit or used to keep things moving; as a verb, to prune is to trim away unwanted branches, growth, or excess.

from From Old French 'prune' (plum), from Latin 'prunum', tracing back to Greek 'proumnon' — the plum itself. The gardening verb 'to prune' arrived separately, likely from Old French 'proignier' (to trim, possibly 'to round off'), and over time the two prunes settled into the same spelling like distant cousins sharing a surname.